Frequency response: 0.5 Hz ˜ 20 KHz ± 0.1dB Upsampling (only for digital inputs): 32 bits, 768 KHz Dynamic Range: 126 dB THD: + noise: - 113 dB Balanced and Unbalanced outputs Maximum output voltage: 2.5 Vrms Output impedance: 200 Ohm Digital Output: PCM S/PDIF Stand-by power consumption: less than 0,5 W Operation Power consumption: 30 W Main voltage AC (50-60 Hz): 100, 110-115, 220-230, 240 V Dimensions: 450x110x430 mm (WxHxD) Weight: 10 Kg Shipping dimensions: 550x250x580 mm  Optional Digital Board: Inputs: • 1 XLR AES/EBU • 1 coaxial SPDIF • 2 opticals • 1 asynchronous USB All inputs are insulated. The USB input can accept files 32 bit 384KHz and DSD512